Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755466Ab3JXOCQ (ORCPT ); Thu, 24 Oct 2013 10:02:16 -0400 Received: from cantor2.suse.de ([195.135.220.15]:34597 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755004Ab3JXOCP (ORCPT ); Thu, 24 Oct 2013 10:02:15 -0400 Date: Thu, 24 Oct 2013 15:02:07 +0100 (BST) From: Jiri Kosina To: Egbert Eich Cc: Daniel Vetter , Egbert Eich , Jani Nikula , Linux Kernel Mailing List , dri-devel , intel-gfx Subject: Re: HPD flood warning since b8f102e8b In-Reply-To: <21097.9092.222306.970168@linux-qknr.site> Message-ID: References: <21093.23168.424554.698941@linux-qknr.site> <21097.9092.222306.970168@linux-qknr.site> User-Agent: Alpine 2.00 (LNX 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2212 Lines: 63 On Thu, 24 Oct 2013, Egbert Eich wrote: > > > > > Can you please attach full dmesg from boot up to the first WARN with > > > > > drm.debug=0xe? This really shouldn't happen and indicates a bug > > > > > somewhere ... > > > > > > > > A bit difficult ... I originally thought that it was reliably > > > > reproducible, but now I didn't get it after 10 suspend/resume cycles. Will > > > > keep following it, and once it appears, will send you the dmesg. > > > > > > > Could you check if you get any messages regarding HPD storms after > > > suspend/resume ie messages like: > > > "[drm] HPD interrupt storm detected on connector HDMI-A-1" > > > but without the annouing warn messages? > > > > I have this: > > > > [357128.184113] [drm] HPD interrupt storm detected on connector DP-3: switching from hotplug detection to polling > > > > It appeared in the log approximately 5 seconds after resume has been > > completed. > > > > :( You seem to get this on different connector. > > Any chance for a 'lspci -n' output? 00:00.0 0600: 8086:2a40 (rev 07) 00:02.0 0300: 8086:2a42 (rev 07) 00:02.1 0380: 8086:2a43 (rev 07) 00:03.0 0780: 8086:2a44 (rev 07) 00:03.2 0101: 8086:2a46 (rev 07) 00:03.3 0700: 8086:2a47 (rev 07) 00:19.0 0200: 8086:10f5 (rev 03) 00:1a.0 0c03: 8086:2937 (rev 03) 00:1a.1 0c03: 8086:2938 (rev 03) 00:1a.2 0c03: 8086:2939 (rev 03) 00:1a.7 0c03: 8086:293c (rev 03) 00:1b.0 0403: 8086:293e (rev 03) 00:1c.0 0604: 8086:2940 (rev 03) 00:1c.1 0604: 8086:2942 (rev 03) 00:1c.3 0604: 8086:2946 (rev 03) 00:1d.0 0c03: 8086:2934 (rev 03) 00:1d.1 0c03: 8086:2935 (rev 03) 00:1d.2 0c03: 8086:2936 (rev 03) 00:1d.7 0c03: 8086:293a (rev 03) 00:1e.0 0604: 8086:2448 (rev 93) 00:1f.0 0601: 8086:2917 (rev 03) 00:1f.2 0106: 8086:2929 (rev 03) 00:1f.3 0c05: 8086:2930 (rev 03) 03:00.0 0280: 8086:4237 I (and the computer in question) am in Edinburgh till friday, in case someone wants to have a look. -- Jiri Kosina SUSE Labs -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/